SPECIFICATIONS
GENERAL
RF Output Power 25 W (Hi) or 1 W (Low) Frequency Range 156.025 to 157.425 MHz (TX), 156.050 to 163.275 MHz (RX) Mode FM (16K0G3E), DSC (16K0G2B) DSC (Class D) ITU-R M493-12 EN 301 025
FM 4721 Class D VHF Furuno
SKU: 0035
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- The Furuno FM-2721 is a high-performance, 25 W marine VHF radiotelephone with class-D DSC (Digital Selective Calling) facilities and CH70 watchkeeping receiver. The equipment is designed for pleasure craft and small fishing boats operating under “simplified” GMDSS (Global Maritime Distress and Safety System) while the SOLAS Convention ships must be equipped with DSC facilities meeting full GMDSS requirements. Current distress calling for non-SOLAS ships is made on CH16 by voice. However, watch of CH16 by the coastal stations as well as SOLAS ships will cease onJuly 1, 2005, totally switching to DSC watch on CH70. The DSC uses a digital signal to send information on MMSI (Maritime Mobile Service Identity), working frequencies, etc. so that a calling is addressed to a designated user or group who has DSC facilities. In an emergency, a distress alert can be initiated by pressing the dedicated distress button on the handset. The distress alert should be instantly acknowledged by ships equipped with DSC capabilityas well as coastal stations. DSC also allows users to call specific parties in routine traffic. The FM-2721 has a built-in watch receiver to keep watching on CH70 while you are receiving or transmitting on another channel (with an additional antenna). The FM-2721 has a 25 W transceiver unit and its control is totally performed on a handset. The transceiver is a blackbox type and can be installed in the cockpit or flybridge. Two handsets provide the intercom facility. ATIS (Automatic Transmitter Information System) is standard fitted for use on some European inland waterways. It automatically transmits the ID number when a speech is over or every 5 min of speech. The ATIS mode and DSC mode are selectable in menu
- Ραδιοτηλέφωνο VHF 25 W. Συμβατότητα Class-D DSC. Πλήρης χειρισμός από το αδιάβροχο ακουστικό. Λειτουργία Intercom όταν έχουν εγκατασταθεί πολλαπλά ακουστικά. Λειτουργία ATIS (Αυτόματο Σύστημα Πληροφοριών Πομπού) διαθέσιμο για τους ευρωπαϊκούς πλωτούς διαύλους της ενδοχώρας.Τι είναι το DSC (Ψηφιακή Επιλεκτική Κλήση); Το DSC (Ψηφιακή Επιλεκτική Κλήση) είναι ένα παγκόσμιο πρότυπο που χρησιμοποιεί το κανάλι VHF 70 (156.525 MHz) για την ανταλλαγή ψηφιακών μηνυμάτων μεταξύ σκαφών πουδιαθέτουν DSC και παράκτιους σταθμούς εντός της εμβέλειας. Αυτά τα μηνύματα περιλαμβάνουν τον αριθμό αναγνώρισης του σκάφους, τη θέση και τον σκοπό της κλήσης. Τα μηνύματα κινδύνου επαναλαμβάνονται κάθε 4 λεπτά μέχρι να βεβαιωθεί η λήψη τους.
